主持人:在幼虫培育中要注意哪些事项? 张教授:幼虫培育是贝类人工育苗中最为关键的环节,它也是决定人工育苗能否成功的环节。因此,幼虫培养要给予足够的重视。幼虫培养应主要从幼虫培养的密度、适宜的饵料种类和饵料浓度、水温、盐度、光照、海水的溶氧和PH、原生动物侵害及细菌性疾病等方面考虑。 浮游幼虫的培养密度是否适宜,也会直接影响人工育苗的成败。对于双壳类,其幼虫个体较小,因此,培养密度一般比较高,每毫升水体可含几个。但对于腹足类,其幼虫个体一般比较大,初孵出的面盘幼虫常在200微米～300微米,因此,培养密度不能高,一般每毫升水体零点几个既 Moderator: In larval breeding should pay attention to what matters? Professor Zhang: larvae breeding is the most crucial part of artificial breeding of shellfish, it is also part of the decision success of artificial breeding. Therefore, larval culture to give enough attention. Larvae culture should be mainly considered from the density of larval culture, the appropriate feed species and bait concentration, water temperature, salinity, light, seawater dissolved oxygen and PH, protozoa and bacterial diseases. The culture density of plankton larvae is appropriate, will also directly affect the success or failure of artificial breeding. For bivalves, their individual larvae are smaller, therefore, the cultivation density is generally higher, per milliliter of water can contain several. However, for the gastropods, the larvae are generally larger individuals, newly hatched larvae face plate often 200 microns to 300 microns, therefore, the cultivation density can not be high, usually a few milliliters per milliliter of water both